Pokemon Go was a huge hit this year and now comes to Apple's smartwatch (Source: Getty)

Lynsey Barber

Apple Watch just got a killer app - Pokemon Go, the hit game of the year, will now be available on the smartwatch.

John Hanke of Niantic Labs, the maker of the game, said the smartphone app has now been downloaded 500m times around the world and players walked an astonishing 4.6bn kilometers... so far. That's only set to increase.